Goheung chwinamul (aster leaf salad) is a regional specialty registered as a geographical indication. Established as an agricultural company in 2018, Damwoo Inc. launched this chwinamul, which is distributed as a raw material without indication of origin under the brand “Twelve Months” in domestic and international markets. The company uses only pesticide-free certified ingredients that are supplied directly through contract farming with producers. No pesticides, no preservatives and no additives distinguish this product. After curing at room temperature, it undergoes 100 days of low temperature fermentation maturation, followed by a rigorous selection process before packaging. It is also subjected to ultrasonic bubble washing to remove any residual harmful substances. It has obtained certifications such as FSSC22000, ISO22000, U.S. FDA, HACCP, HALAL, VEGAN, and pesticide-free agricultural product certification.

The company's flagship product is an environmentally friendly, pesticide-free salad vegetable grown in Goheung County, surrounded by the sea on three sides. They produce dried salads, low-salt pickled salad side dishes, and nutritious meals with nine sprouted grains added to chwinamul. The main products include “Twelve Months Salad Pickle,” “Twelve Months Dried Salad,” “Rice Mixed with Salads,” “YumYum Salad,” and “Baby-Friendly Minced Pickle.” Sales began on GS SHOP in 2019, and in 2020 and 2021, the products were introduced to K-Shopping, public broadcasting shopping, and exported to Fence Mall in LA, U.S., and Amazon. In addition, they are sold domestically through platforms such as NS Home Shopping, Naver Store, Lotte Ding Shop, Blooming Morning Village, NongHyup Mall, Nando Market, Goheung Mall, Coexistence & Co., Happy Bean, Kakao Makers, Wadiz and more. Internationally, they are sold through online malls such as Qoo10 and Alibaba, and outlets such as TVCONTINEW in Vietnam and Miltons and Mealtones in the U.S.
The Salad Pickle, made without being overly salty, is a low sodium pickled vegetable made with 12 natural ingredients and a proprietary patented technology. The pickles are cured at low temperature for over 100 days; the product is mixed with apple vinegar to enhance its sweet and sour flavor while preserving the original aroma and flavor. It's perfect as a side dish with plain white rice and is also great when added to mixed noodles. Paired with the Korean favorite samgyeopsal (grilled pork belly), it cuts through the richness perfectly. It is available in two sizes: a serving for 1-2 people at 100g and 3-4 people at 250g. It has a shelf life of 12 months from the date of production. “Rice Mixed with Salads” is a convenient breakfast option that can be added to the rice during cooking without soaking or boiling. It comes in three varieties: “Rice Mixed with Gondeure Salad,” “Rice Mixed with bujikkaengi (Amur wallflower),” and “Rice Mixed with Wild Vegetable.” Each package weighs 10.5g. Filled with a variety of mushrooms, these products offer deep flavor and are packed with nutrients.

Twelve Months Dried Salads is a dried vegetable product made from gondeurenamul (thistle salad), bujikkaengi, and chwinamul. The tenderest shoots, which are the most delicious in early spring, are selected for this product. You can easily make herbal rice by soaking them in water and cooking them with rice. In addition, this product can be used in dishes such as bibimbap and stir-fried vegetables. This product has a shelf life of 24 months. “Salads YumYum for the Whole Family” is a convenient cooking set. It consists of minced pickles, roasted seaweed and sesame oil. For added convenience, it's packaged with sanitary gloves and a portable fork, making preparation a breeze. There's also “Minced Pickled Chwinamul and Bujikkaengi for Babies.” This pickled product is designed for babies as young as 12 months, allowing them to naturally enjoy healthy salads with their baby food. It's a finely minced pickle designed to introduce babies to the taste of these salads at an early age.